//
//  WelcomeViewController.swift
//  SinaWeibo
//
//  Created by 石林 on 15/11/17.
//  Copyright © 2015年 石林. All rights reserved.
//

import UIKit
import SnapKit
import SDWebImage

class WelcomeViewController: UIViewController {
    
    override func loadView() {
        view = backImage
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        setupUI()
    }
    
    override func viewDidAppear(animated: Bool) {
        
        startAnimation()
    }
    
    private func startAnimation() {
        
        iconImage.snp_updateConstraints { (make) -> Void in
            make.bottom.equalTo(self.view.snp_bottom).offset(-self.view.bounds.height + 180)
        }
        
        UIView.animateWithDuration(1.2, delay: 0, usingSpringWithDamping: 0.9, initialSpringVelocity: 9.8, options: [], animations: { () -> Void in
            self.view.layoutIfNeeded()
            }) { (_) -> Void in
                UIView.animateWithDuration(0.6, animations: { () -> Void in
                    self.welcomeLabel.alpha = 1
                    }, completion: { (_) -> Void in
                        
                        NSNotificationCenter.defaultCenter().postNotificationName(AppSwitchRootViewControler, object: nil)
                        print("ok")
                })
        }
        
    }
    
    private func setupUI() {
        
        //添加子视图
        view.addSubview(iconImage)
        view.addSubview(welcomeLabel)
        
        //设置布局
        iconImage.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(view.snp_centerX)
            make.bottom.equalTo(view.snp_bottom).offset(-180)
            make.width.equalTo(90)
            make.height.equalTo(90)
        }
        
        welcomeLabel.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(iconImage.snp_bottom).offset(10)
            make.centerX.equalTo(view.snp_centerX)
        }
        
        iconImage.sd_setImageWithURL(UserAccountViewModel().iconURL, placeholderImage: UIImage(named: "avatar_default_big"))
        
        iconImage.layer.cornerRadius = 45
        iconImage.layer.masksToBounds = true
        
    }
    
    
    private lazy var backImage: UIImageView = {
        
        UIImageView(image: UIImage(named: "ad_background"))
        
    }()
    
    private lazy var iconImage: UIImageView = UIImageView()
    
    private lazy var welcomeLabel: UILabel = UILabel(title: "欢迎回来", size: 19, color: UIColor.lightGrayColor())
//    {
//        let l = UILabel()
//        l.textColor = UIColor.lightGrayColor()
//        l.textAlignment = .Center
//        l.font = UIFont.systemFontOfSize(19)
//        l.text = "欢迎回来"
//        
//        return l
//        
//    }()


}
